mp4: Add error checking for atom_read().

[paraslash.git] / mp4.h

diff --git a/mp4.h b/mp4.h
index eb8cf87a1c3ac4a5774e3c24d78cffa77e7bc30a..9ff6f95ece00dd2ddd6e278f2c8a6302d8a5b9a6 100644 (file)
--- a/mp4.h
+++ b/mp4.h
@@ -1,5 +1,5 @@
 struct mp4_callback {
-    uint32_t (*read)(void *user_data, void *buffer, uint32_t length);
+    ssize_t (*read)(void *user_data, void *buffer, size_t length);
     uint32_t (*write)(void *udata, void *buffer, uint32_t length);
     uint32_t (*seek)(void *user_data, uint64_t position);
     uint32_t (*truncate)(void *user_data);
@@ -32,7 +32,7 @@ uint64_t mp4_get_duration(const struct mp4 *f, int32_t track);
 struct mp4 *mp4_open_meta(const struct mp4_callback *cb);
 
 struct mp4_metadata *mp4_get_meta(struct mp4 *f);
-int32_t mp4_meta_update(struct mp4 *f, struct mp4_metadata *meta);
+int32_t mp4_meta_update(struct mp4 *f);
 char *mp4_meta_get_artist(const struct mp4 *f);
 char *mp4_meta_get_title(const struct mp4 *f);
 char *mp4_meta_get_date(const struct mp4 *f);